To expand on @Ben Voight, you could use modulo-style operations this way: To wrap to [0, 2*pi], you'd do this: ... <看更多>

The following code is vectorized, and thus typically faster than using loops: N = 1e6; % Number of samples r = 1; % Circle radius x = 2*rand(1,N)-1; ... ... <看更多>

You have plotted values of cosine from -10 to 10 and want to change the x-axis tick marks to every pi, from -3pi to 3pi. Which statement will do that? ... <看更多>